ASTM is an international, voluntary standards development organization, and is a globally trusted source for technical standards for materials, products, systems and services. Many AAMA Standards are directly related to or employ ASTM Standards for testing and performance of windows and doors. For more information, visit their website.

NFRC is a non-profit organization that administers a uniform, independent rating and labeling system for the energy performance of windows, doors, skylights and attachment products. NFRC provides fair, accurate and reliable energy performance ratings that enable architects, builders, code officials and consumers to compare the thermal performance of different fenestration products, and provides a fair and level playing field for fenestration manufacturers in the area of thermal performance. For more information, visit their website.

Administered by the National Institute of Standards and Technology, the NVLAP provides unbiased third-party evaluation and recognition of laboratory performance and provides technical guidance to assist laboratories in upgrading their performance. For more information, visit their website.

Learning Center

Virtual Sound Lab

Whether it’s the painful nuisance of a barking dog or the truly invasive noise of jet aircraft overhead, Silent Guard® windows and doors has a sound control solution to meet your needs. These high-tech windows not only dampen sound, but are also highly energy efficient, boasting thermal ratings in excess of R-5.
Check it out now!